Mitsubishi L200. Manual — part 48

CRANKSHAFT AND CYLINDER BLOCK

ENGINE OVERHAUL

11B-66

INSPECTION

M1113008802759

OIL JET / CHECK VALVE

AK402951

Oil jet

Engine oil

Check valve assembly

AB

The inspection procedure for this oil jet is the same
as for the conventional oil jet.

CRANKSHAFT OIL CLEARANCE (PLASTIGAGE
METHOD)
The crankshaft oil clearance can be measured easily
by using a plastigage, as follows.

AK404148AB

Plastigage

1. Remove oil and grease and any other foreign

matters from crankshaft journal and bearing inner
surface.

2. Install the crankshaft.
3. Cut the plastigage to the same length as the width

of bearing and place it on journal in parallel with
its axis.

4. Gently place the crankshaft bearing cap over it

and tighten the bolts to the specified torque.

5. Remove the bolts and gently remove the

crankshaft bearing cap.

AK404149

6. Measure the width of the smashed plastigage at

its widest section by using a scale printed on the
plastigage bag.

Standard value: 0.02

− 0.03 mm

Limit: 0.1 mm

CYLINDER BLOCK

AK404145

1. Using a straightedge and thickness gauge, check

the block top surface for warpage. Make sure that
the surface is free from gasket chips and other
objects.

Standard value: 0.05 mm
Limit: 0.1 mm

2. If the distortion is excessive, replace the cylinder

block.

AK404146

12 mm

AB

3. Check cylinder walls for scratches and size. If

defects are evident, replace the cylinder block.

CRANKSHAFT AND CYLINDER BLOCK

ENGINE OVERHAUL

11B-67

4. Using cylinder gauge, measure the cylinder bore,

and cylindricity. If worn badly, replace the cylinder
block. Measurement points are shown in
illustration.

Standard value:

Cylinder I.D. 91.10

− 91.13 mm

Cylindricity 0.02 mm

12-1

GROUP 12

ENGINE

LUBRICATION

CONTENTS

GENERAL INFORMATION . . . . . . . .

12-2

SERVICE SPECIFICATIONS. . . . . . .

12-2

SEALANTS OR ADHESIVES . . . . . .

12-2

LUBRICANTS . . . . . . . . . . . . . . . . . .

12-3

SPECIAL TOOLS. . . . . . . . . . . . . . . .

12-3

ON-VEHICLE SERVICE. . . . . . . . . . .

12-4

ENGINE OIL CHECK . . . . . . . . . . . . . . . . .

12-4

ENGINE OIL CHANGE . . . . . . . . . . . . . . . .

12-4

ENGINE OIL FILTER REPLACEMENT. . . .

12-5

OIL PRESSURE CHECK . . . . . . . . . . . . . .

12-6

ENGINE OIL PRESSURE SWITCH . .

12-6

ENGINE OIL PRESSURE SWITCH REMOVAL AND
INSTALLATION <Except Euro5> . . . . . . . .

12-6

ENGINE OIL PRESSURE SWITCH REMOVAL AND
INSTALLATION <Euro5> . . . . . . . . . . . . . .

12-8

ENGINE OIL COOLER . . . . . . . . . . . .

12-10

ENGINE OIL COOLER REMOVAL AND
INSTALLATION . . . . . . . . . . . . . . . . . . . . . .

12-10

GENERAL INFORMATION

ENGINE LUBRICATION

12-2

GENERAL INFORMATION

M1121000101242

The lubrication method is a fully force-fed, full-flow fil-
tration type. Water-cooled oil cooler built into the oil
filter bracket have been adopted.

ENGINE OILS

HEALTH WARNING
Prolonged and repeated contact with mineral oil will
result in the removal of natural fats from the skin,
leading to dryness, irritation and dermatitis. In addi-
tion, used engine oil contains potentially harmful con-
taminants which may cause skin cancer. Adequate
means of skin protection and washing facilities must
be provided.

RECOMMENDED PRECAUTIONS
The most effective precaution is to adapt working
practices which prevent, as far as practicable, the
risk of skin contact with mineral oils, for example by
using enclosed systems for handling used engine oil
and by degreasing components, where practicable,
before handling them. Other precautions:

• Avoid prolonged and repeated contact with oils,

particularly used engine oils.

• Wear protective clothing, including impervious

gloves where practicable.

• Avoid contaminating clothes, particularly under-

pants, with oil.

• Do not put oily rags in pockets, the use of overalls

without pockets will avoid this.

• Do not wear heavily soiled clothing and oil-

impregnated foot-wear. Overalls must be cleaned
regularly and kept separate from personal cloth-
ing.

• Where there is a risk of eye contact, eye protec-

tion should be worn, for example, chemical gog-
gles or face shields; in addition an eye wash
facility should be provided.

• Obtain first aid treatment immediately for open

cuts and wounds.

• Wash regularly with soap and water to ensure all

oil is removed, especially before meals (skin
cleansers and nail brushes will help). After clean-
ing, the application of preparations containing
lanolin to replace the natural skin oils is advised.

• Do not use petrol, kerosine, diesel fuel, gas oil,

thinners or solvents for cleaning skin.

• Use barrier creams, applying them before each

work period, to help the removal of oil from the
skin after work.

• If skin disorders develop, obtain medical advice

without delay.

SERVICE SPECIFICATION

M1121000300414

Item

Standard value

Oil pressure kPa

at idle

29 or more

at 3,500 r/min

294

− 686

SEALANT

M1121000501262

Item

Specified sealant

Engine oil pressure switch

Three bond 1141J, Three bond 1215, Three bond 1212D, Three bond 1207F
(Mitsubishi Part No. 1000A992), Three bond 1207C or equivalent